Align Auth Provider Sidebar in docs with available Providers

Signed-off-by: Philipp Hugenroth <philipph@spotify.com>

docs/auth/cloudflare/access.md

@@ -1,8 +1,7 @@
 ---
-id: cfaccess
+id: provider
 title: Cloudflare Access Provider
-sidebar_label: cfaccess
-# prettier-ignore
+sidebar_label: Cloudflare Access
 description: Adding Cloudflare Access as an authentication provider in Backstage
 ---
 

docs/auth/index.md

@@ -14,9 +14,10 @@ access external resources.
 
 Backstage comes with many common authentication providers in the core library:
 
-- [Atlassian](atlassian/provider.md)
 - [Auth0](auth0/provider.md)
+- [Atlassian](atlassian/provider.md)
 - [Azure](microsoft/provider.md)
+- [Azure Easy Auth](microsoft/azure-easyauth.md)
 - [Bitbucket](bitbucket/provider.md)
 - [Bitbucket Server](bitbucketServer/provider.md)
 - [Cloudflare Access](cloudflare/access.md)
@@ -25,8 +26,8 @@ Backstage comes with many common authentication providers in the core library:
 - [Google](google/provider.md)
 - [Google IAP](google/gcp-iap-auth.md)
 - [Okta](okta/provider.md)
+- [OAuth 2 Custom Proxy](oauth2-proxy/provider.md)
 - [OneLogin](onelogin/provider.md)
-- [OAuth2Proxy](oauth2-proxy/provider.md)
 
 These built-in providers handle the authentication flow for a particular service
 including required scopes, callbacks, etc. These providers are each added to a